Updating ParameterAST Type Definitions (Fixes #305)

Author: James Brundage

Types/ParameterAST/get_DisplayName.ps1

@@ -0,0 +1,18 @@
+foreach ($attr in $this.Attributes) {
+    $reflectedType = $attr.TypeName.GetReflectionType()
+    if ($reflectedType -ne [ComponentModel.DisplayNameAttribute]) {
+        continue
+    }
+    
+    foreach ($positionalParameter in $attr.PositionalArguments) {
+        return $positionalParameter.Value
+    }
+
+    foreach ($namedArgument in $attr.NamedArguments) {
+        if ($namedArgument.ArgumentName -eq 'DisplayName') {
+            return $namedArgument.Argument.Value
+        }
+    }
+}
+
+return $this.Name.VariablePath.ToString()